Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4320647 | Method of and apparatus for making elements with profiled cross-section from sheet metal | Hermanus A. C. Holweg | 1982-03-23 |
| 4281483 | Method of curving supporting surfaces of driving belt elements | Alexandre Horowitz, Rudolf J. G. A. van der Hoorn | 1981-08-04 |